Be Smart
Measuring the Universe With a 14-Billion Light-Year Ruler
Since the time of the ancient Greeks, scientists have been constructing a cosmic measuring tape to measure the universe from our own backyard all the way to its ever-expanding edge: the cosmic distance ladder. In this video, we climb...
PBS
Planet X Discovered?? + Challenge Winners!
Some funky orbits near the Kuiper Belt are hinting towards a brand new planet, the elusive ‘Planet X.’ Our friends Mike Brown and Konstantin Batygin of Caltech are working hard to finally spot the potential gas giant through powerful...
3Blue1Brown
The more general uncertainty principle, beyond quantum
The general uncertainty principle, about the concentration of a wave vs the concentration of its fourier transform, applied to two non-quantum examples before showing what it means for the Heisenberg uncertainty principle.
3Blue1Brown
The more general uncertainty principle, beyond quantum
The general uncertainty principle, about the concentration of a wave vs the concentration of its fourier transform, applied to two non-quantum examples before showing what it means for the Heisenberg uncertainty principle.
TED Talks
Garik Israelian: How spectroscopy could reveal alien life
Garik Israelian is a spectroscopist, studying the spectrum emitted by a star to figure out what it's made of and how it might behave. It's a rare and accessible look at this discipline, which may be coming close to finding a planet...
SciShow
SciShow Talk Show: Jimmy Henderson & The Red Eyed Skinks
SciShow Talk Show is back! Hank talks to Jimmy Henderson about project MINERVA, or is it the MINERVA Project? Special Guest Jessi Knudsen Castañeda introduces two red eyed crocodile skinks!
TED Talks
TED: Where good ideas come from | Steven Johnson
People often credit their ideas to individual "Eureka!" moments. But Steven Johnson shows how history tells a different story. His fascinating tour takes us from the "liquid networks" of London's coffee houses to Charles Darwin's long,...
TED-Ed
TED-ED: What light can teach us about the universe - Pete Edwards
Humanity has long been looking at the universe and asking the big questions: How did it begin? How will it end? Cosmologists are searching hard for the answers, but where do they even start? The answer is light. Pete Edwards outlines the...
Bozeman Science
Doppler Effect
In this video Paul Andersen explains how the perceived frequency of a source depends on the motion of both the source and the observer. As a source approaches an observer the frequency will increase and as it moves away it will decrease....
Crash Course
Sound: Crash Course Physics
We learn a lot about our surroundings thanks to sound. But... what is it exactly? Sound, that is. What is sound? And how does it travel? And what is this Doppler Effect that we've heard so much about? In this episode of Crash Course...
Curated Video
What You Would Experience Near the Speed of Light
All the light that we see are electromagnetic waves. All different wavelengths are equivalent, except that waves of higher frequencies are more energetic. The speed of all these EM waves, however, is the same. It's the maximum speed...
Astrum
What Dark Energy Can Tell Us About Our Universe
The universe is expanding, but why? Dark Energy might be the key in solving this mystery.
Astrum
Is Betelgeuse Breaking the Laws of Physics?
Betelguese, a red super-giant star, could be breaking the laws of physics.
Science ABC
What If Something Travels Faster Than The Speed Of Light?
Can anything travel faster than the speed of light? Is it even possible for something to undertake the “speed of light” travel? And what if something can actually travel faster than light? What is Cherenkov radiation and how is it...
Science ABC
Why Bombs Make a Whistling Sound When They Fall Through the Air
You may have noticed in movies and tv shows that when a bomb falls through the sky, it makes a whistling sound. This has to do with the fighter planes and bomber planes of world war 2. During the second world war, German air force...
Wonderscape
Exploring Characteristics of Sound Waves
Discover the characteristics of sound waves, including wavelength, frequency, and pitch. Learn about the Doppler effect and its impact on sound perception. Explore how acoustics influence building design and sound control. Sound part 3
Wonderscape
Decoding Sound: How Our Ears and Brain Interpret Beach Waves
Explore the process of hearing, from the collection of sound waves by our ears to the interpretation by our brain. The video discusses the ear's structure, including the outer, middle, and inner ear components like the cochlea and...
Curated Video
Why Bombs Make a Whistling Sound When They Fall Through the Air
You may have noticed in movies and tv shows that when a bomb falls through the sky, it makes a whistling sound. This has to do with the fighter planes and bomber planes of world war 2. During the second world war, German air force...
Flipping Physics
AP Physics 1: Review of Mechanical Waves
Review of the Mechanical Waves topics covered in the AP Physics 1 curriculum.
Visual Learning Systems
Sound: the Doppler Effect
When you hear the roar of traffic, the bark of a dog, or your teacher's voice, you are experiencing sound. This program uses colorful animations to explore important characteristics of sound, including intensity, loudness, pitch, and...
Curated Video
The Doppler Effect and the Big Bang Theory
The video discusses the Doppler effect, which is the apparent change in the wavelength of a wave when the source of the wave moves relative to the observer. The narrator explains how the Doppler effect can be observed in everyday life...
Physics Girl
Waves, Light and Sound - Physics 101 / AP Physics 1 Review with Dianna Cowern
Lesson 17 (Waves, Light, and Sound) of Dianna's Intro Physics Class on Physics Girl. Never taken physics before? Want to learn the basics of physics? Need a review of AP Physics concepts before the exam? This course is for you! Exercises...
Flipping Physics
Doppler Effect Demonstrations and Animations
The Doppler Effect is demonstrated. Animations are used to show the observed change in wavelength and frequency.
Curated Video
What If Something Travels Faster Than The Speed Of Light?
Can anything travel faster than the speed of light? Is it even possible for something to undertake the “speed of light” travel? And what if something can actually travel faster than light? What is Cherenkov radiation and how is it...